list archive

src/domain.rs

@@ -48,6 +48,10 @@ pub struct GroceryList {
     pub id: i64,
     pub name: String,
     pub revision: i64,
+    /// Unix timestamp of when the list was created.
+    pub created_at: i64,
+    /// Unix timestamp of when the list was archived; `None` when active.
+    pub archived_at: Option<i64>,
 }
 
 #[derive(Clone, Debug)]